13213231004312 has 16 divisors (see below), whose sum is σ = 24844991730840. Its totient is φ = 6587899876096.

The previous prime is 13213231004299. The next prime is 13213231004321. The reversal of 13213231004312 is 21340013231231.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2339450258 + ... + 2339455905.

Almost surely, 2^{13213231004312} is an apocalyptic number.

It is an amenable number.

13213231004312 is a deficient number, since it is larger than the sum of its proper divisors (11631760726528).

13213231004312 is a wasteful number, since it uses less digits than its factorization.

13213231004312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4678906522 (or 4678906518 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 13213231004312 its reverse (21340013231231), we get a palindrome (34553244235543).

The spelling of 13213231004312 in words is "thirteen trillion, two hundred thirteen billion, two hundred thirty-one million, four thousand, three hundred twelve".